Cita APA (7a ed.)

Williams, W. H., & Miller, H. B. (1983). Ethics and animals. Humana Press.

Cita Chicago Style (17a ed.)

Williams, William Hatton, y Harlan B. Miller. Ethics and Animals. Clifton (New Jersey): Humana Press, 1983.

Cita MLA (9a ed.)

Williams, William Hatton, y Harlan B. Miller. Ethics and Animals. Humana Press, 1983.